<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .banner1 {
            width: 234px;
            height: 34px;
            border-radius: 40px;
            position: absolute;
            top: 400px;
            left: 600px;
        }

        .banner1 a {
            display: inline-block;
            width: 30px;
            height: 30px;
            line-height: 30px;
            border-radius: 50%;
            border: 2px solid lightblue;
            position: absolute;
            left: 0px;
            top: 0px;
            background: lightgreen;
            color: #fff;
            text-align: center;
            text-decoration: none;
            cursor: pointer;
            z-index: 2;
        }

        .banner1 a:hover+span {
            transform: translateX(40px);
            opacity: 1;
        }

        .banner1 span {
            display: inline-block;
            width: auto;
            padding: 0 20px;
            height: 30px;
            line-height: 30px;
            background: lightblue;
            border-radius: 30px;
            text-align: center;
            color: #fff;
            position: absolute;
            top: 2px;
            opacity: 0;
            transition: all 1s;
            transform: translateX(80px);
        }
    </style>
</head>

<body>
    <div class="banner1">
        <a href="javascript:;">博</a>
        <span>这是我的个人博客</span>
    </div>
</body>

</html>